Citation: | Bowen Cai, Shiyuan Zhao, Fengming Liu. Micro TEC manufacture: the importance and challenges[J]. Materials Lab, 2023, 2(3): 230011. doi: 10.54227/mlab.20230011 |
Thermoelectric (TE) technology manifests great potential in solid-state cooling and power generation, especially using micro thermoelectric cooler (Micro TEC) for precise temperature control confined to small systems. It has significant advantages, unique for needs that cannot be met by any other method. However, manufacturing Micro TEC has challenges, and not just those related to TE materials. This paper targets the issues and describes the key points in Micro TEC manufacture from the industrialization point of view, presenting the fabrication difficulties of Micro TEC and emphasizing the importance of industry-university-research cooperation, which is expected to provide helpful insights and inspiration for the development of the domestic TE industry.
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a Schematic diagram of Micro TEC with the structure of the related interface. b Comparison of the maximum cooling temperature difference (ΔTmax) with device size in domestic and foreign Micro TEC. c Compactness developing trend in Micro TEC - the TE legs and/or the leg distance become smaller and smaller.